Hardware Spec Index

Caldera PW-1691 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1691-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index2,262 (Power Supplies scale)
Category rank#44,878
Street price$239
Power1000 W (rated)
Performance per dollar9.46
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1691 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-7711 Edge 1600W 80 PLUS Titanium ATX Power Supply2,940$349Compare
Caldera PW-3501 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,711$109Compare
Teralux PW-4586 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply2,060$169Compare
Vantrel PW-8579 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply950$49Compare
Vantrel PW-1187 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply1,773$149Compare
Zephyra PW-8630 Pro 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,407$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1691 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/44553322 (accessed 2026-10-23).